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krahets
2024-03-18 03:11:07 +08:00
parent bc0054a577
commit 54c7448946
48 changed files with 577 additions and 408 deletions
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26
docs/chapter_array_and_linkedlist/list.md
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@ -1815,16 +1815,16 @@ comments: true
#[allow(dead_code)]
struct MyList {
arr: Vec<i32>, // 数组（存储列表元素）
capacity: usize, // 列表容量
size: usize, // 列表长度（当前元素数量）
extend_ratio: usize, // 每次列表扩容的倍数
capacity: usize, // 列表容量
size: usize, // 列表长度（当前元素数量）
extend_ratio: usize, // 每次列表扩容的倍数
}
#[allow(unused,unused_comparisons)]
#[allow(unused, unused_comparisons)]
impl MyList {
/* 构造方法 */
pub fn new(capacity: usize) -> Self {
let mut vec = Vec::new();
let mut vec = Vec::new();
vec.resize(capacity, 0);
Self {
arr: vec,
@ -1847,13 +1847,17 @@ comments: true
/* 访问元素 */
pub fn get(&self, index: usize) -> i32 {
// 索引如果越界，则抛出异常，下同
if index >= self.size {panic!("索引越界")};
if index >= self.size {
panic!("索引越界")
};
return self.arr[index];
}
/* 更新元素 */
pub fn set(&mut self, index: usize, num: i32) {
if index >= self.size {panic!("索引越界")};
if index >= self.size {
panic!("索引越界")
};
self.arr[index] = num;
}
@ -1870,7 +1874,9 @@ comments: true
/* 在中间插入元素 */
pub fn insert(&mut self, index: usize, num: i32) {
if index >= self.size() {panic!("索引越界")};
if index >= self.size() {
panic!("索引越界")
};
// 元素数量超出容量时，触发扩容机制
if self.size == self.capacity() {
self.extend_capacity();
@ -1886,7 +1892,9 @@ comments: true
/* 删除元素 */
pub fn remove(&mut self, index: usize) -> i32 {
if index >= self.size() {panic!("索引越界")};
if index >= self.size() {
panic!("索引越界")
};
let num = self.arr[index];
// 将将索引 index 之后的元素都向前移动一位
for j in (index..self.size - 1) {